Supports - O-Shaped
PipeLay models an O-shaped support using an equivalent “double square” approximation. Four flat surfaces are combined to create a square enclosure and a second identical box, oriented 45° to the first, is placed alongside it. This is shown schematically in the figure below, where the support is viewed from the axial and transverse directions.
You can model this type of support, by setting the topmost drop-down box, Support Type, to O-Shaped Support. The inputs pertaining to O-shaped supports allow you to specify:
1.The support length in the axial direction.
2.The roller length of the support. This is equal to the side of the square in the “double square” approximation, as shown in the figure below.
O-Shaped Support Roller Length
3.The contact stiffness associated with the support.
4.Friction coefficients associated with the support.
The first three inputs are mandatory while the fourth input is optional. The parameters described above can be specified in the O-Shaped Support Data dialog.